mirror of
https://github.com/zephyrproject-rtos/zephyr
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8f91d0c072
This is initial commit to support SDHC driver on Renesas RA8 with r_sdhi modules Signed-off-by: Tran Van Quy <quy.tran.pz@renesas.com>
55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
/*
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* Copyright (c) 2024 Renesas Electronics Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#define SDHI_PRV_ACCESS_TIMEOUT_US 100000U
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#define SDHI_PRV_SD_OPTION_DEFAULT 0x40E0U
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#define SDHI_PRV_SD_OPTION_WIDTH8_BIT 13
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#define SDHI_PRV_BYTES_PER_KILOBYTE 1024
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#define SDHI_PRV_SECTOR_COUNT_IN_EXT_CSD 0xFFFU
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#define SDHI_TIME_OUT_MAX 0xFFFFFFFF
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#define SDHI_PRV_RESPONSE_BIT 0
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struct sdmmc_ra_event {
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volatile bool transfer_completed;
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struct k_sem transfer_sem;
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};
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struct sdmmc_ra_command {
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uint32_t opcode;
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uint32_t arg;
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void *data;
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unsigned int sector_count;
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unsigned int sector_size;
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int timeout_ms;
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};
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static ALWAYS_INLINE int err_fsp2zep(int fsp_err)
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{
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int ret;
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switch (fsp_err) {
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/* Treating the error codes most relevant to be individuated */
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case FSP_SUCCESS:
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ret = 0;
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break;
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case FSP_ERR_TIMEOUT:
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ret = -ETIMEDOUT;
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break;
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case FSP_ERR_NOT_FOUND:
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ret = -ENODEV; /* SD card not inserted (requires CD signal) */
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break;
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case FSP_ERR_INVALID_STATE:
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ret = -EACCES; /* SD card write-protected (requires WP sinal) */
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break;
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case FSP_ERR_RESPONSE:
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default:
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ret = -EIO;
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break;
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}
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return ret;
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}
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